#pragma semicolon 1

#include <sourcemod>
#include <sdktools>
#include <zombiereloaded>
#include <cstrike>
#include <multicolors>

int g_iHighRatio;
int g_iMediumRatio;
int g_iLowRatio;

int g_iHighStreak;
int g_iMediumStreak;
int g_iLowStreak;

int g_iHumanScore;
int g_iZombieScore;
int g_iOldZombieScore;
int g_iZombieStreak;

float g_fKnockbackLowBoost;
float g_fKnockbackMediumBoost;
float g_fKnockbackHighBoost;

float g_fNapalmLowReduction;
float g_fNapalmMediumReduction;
float g_fNapalmHighReduction;

bool g_bLowPopulation;
int g_iMaxPopulation;
float g_fKnockbackPopulationBoost;
float g_fNapalmPopulationReduction;

bool g_bMidRound;
float g_fKnockbackMidRoundBoost;
float g_fNapalmMidRoundReduction;
float g_fMidRoundRatio;

bool g_bAntiNoob;
float g_fCurrentKnockbackBoost;
float g_fCurrentNapalmDamage;

public Plugin myinfo =
{
	name = "AntiNoob",
	author = "Dogan",
	description = "Provide help when the server is doing bad on a map",
	version = "4.0.0",
	url = ""
}

public void OnPluginStart()
{
	HookEvent("round_start", OnRoundStart);
	HookEvent("player_team", OnPlayerTeam);

	g_fCurrentKnockbackBoost = 1.0;
	g_fCurrentNapalmDamage = 50.0;

	ConVar cvar;
	HookConVarChange((cvar = CreateConVar("sm_an_help", "1", "1 = AntiNoob performs help, 0 = AntiNoob is disabled", FCVAR_NONE, true, 0.0, true, 1.0)), g_cvAntiNoob);
	g_bAntiNoob = cvar.BoolValue;
	HookConVarChange((cvar = CreateConVar("sm_an_maxplayers", "40", "max active players until the kb should be increased")), g_cvMaxPopulation);
	g_iMaxPopulation = cvar.IntValue;
	HookConVarChange((cvar = CreateConVar("sm_an_kb_population", "5.0", "knockback boost during low population in procent (stacking)")), g_cvKnockbackPopulationBoost);
	g_fKnockbackPopulationBoost = cvar.FloatValue / 100.0;
	HookConVarChange((cvar = CreateConVar("sm_an_napalm_population", "2.0", "napalm damage reduction needed during low population for full burn from nades (stacking)")), g_cvNapalmPopulationReduction);
	g_fNapalmPopulationReduction = cvar.FloatValue;
	HookConVarChange((cvar = CreateConVar("sm_an_lowratio", "3", "human:zombie score ratio to perform low help, x = zombie")), g_cvLowRatio);
	g_iLowRatio = cvar.IntValue;
	HookConVarChange((cvar = CreateConVar("sm_an_mediumratio", "5", "human:zombie score ratio to perform medium help, x = zombie")), g_cvMediumRatio);
	g_iMediumRatio = cvar.IntValue;
	HookConVarChange((cvar = CreateConVar("sm_an_highratio", "7", "human:zombie score ratio to perform high help, x = zombie")), g_cvHighRatio);
	g_iHighRatio = cvar.IntValue;
	HookConVarChange((cvar = CreateConVar("sm_an_lowstreak", "2", "zombie win streaks to perfom low help")), g_cvLowStreak);
	g_iLowStreak = cvar.IntValue;
	HookConVarChange((cvar = CreateConVar("sm_an_mediumstreak", "4", "zombie win streaks to perfom medium help")), g_cvMediumStreak);
	g_iMediumStreak = cvar.IntValue;
	HookConVarChange((cvar = CreateConVar("sm_an_highstreak", "6", "zombie win streaks to perfom high help")), g_cvHighStreak);
	g_iHighStreak = cvar.IntValue;
	HookConVarChange((cvar = CreateConVar("sm_an_kb_lowhelp", "5.0", "knockback boost in procent when low help is performed (stacking)")), g_cvKnockbackLowBoost);
	g_fKnockbackLowBoost = cvar.FloatValue / 100.0;
	HookConVarChange((cvar = CreateConVar("sm_an_kb_mediumhelp", "10.0", "knockback boost in procent when medium help is performed (stacking)")), g_cvKnockbackMediumBoost);
	g_fKnockbackMediumBoost = cvar.FloatValue / 100.0;
	HookConVarChange((cvar = CreateConVar("sm_an_kb_highhelp", "15.0", "knockback boost in procent when high help is performed (stacking)")), g_cvKnockbackHighBoost);
	g_fKnockbackHighBoost = cvar.FloatValue / 100.0;
	HookConVarChange((cvar = CreateConVar("sm_an_napalm_lowhelp", "2.0", "napalm damage reduction needed when low help is perfomed for full burn from nades (stacking)")), g_cvNapalmLowReduction);
	g_fNapalmLowReduction = cvar.FloatValue;
	HookConVarChange((cvar = CreateConVar("sm_an_napalm_mediumhelp", "4.0", "napalm damage reduction needed when medium help is performed for full burn from nades (stacking)")), g_cvNapalmMediumReduction);
	g_fNapalmMediumReduction = cvar.FloatValue;
	HookConVarChange((cvar = CreateConVar("sm_an_napalm_highhelp", "6.0", "napalm damage reduction needed when high help is perfomed for full burn from nades (stacking)")), g_cvNapalmHighReduction);
	g_fNapalmHighReduction = cvar.FloatValue;
	HookConVarChange((cvar = CreateConVar("sm_an_napalm_midround", "2.0", "napalm damage reduction needed when mid round help is performed for full burn from nades (stacking)")), g_cvNapalmMidRoundReduction);
	g_fNapalmMidRoundReduction = cvar.FloatValue;
	HookConVarChange((cvar = CreateConVar("sm_an_kb_midround", "5.0", "knockback boost in procent when mid round help is performed (stacking)")), g_cvKnockbackMidRoundBoost);
	g_fKnockbackMidRoundBoost = cvar.FloatValue / 100.0;
	HookConVarChange((cvar = CreateConVar("sm_an_midroundratio", "1.0", "human:zombie amount ratio to perform mid round help, x = zombie")), g_cvMidRoundRatio);
	g_fMidRoundRatio = cvar.FloatValue;
	delete cvar;

	RegAdminCmd("sm_antinoob", Command_AntiNoob, ADMFLAG_GENERIC, "returns the current helps or boosts for this round");

	AutoExecConfig(true, "plugin.AntiNoob");
}

public void OnPluginEnd()
{
	ServerCommand("zr_class_set_multiplier zombies knockback 1.0");
	ServerCommand("zr_napalm_time_scale 50.0");
}

public void g_cvAntiNoob(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_bAntiNoob = convar.BoolValue;
}

public void g_cvMaxPopulation(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_iMaxPopulation = convar.IntValue;
}

public void g_cvKnockbackPopulationBoost(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_fKnockbackPopulationBoost = convar.FloatValue / 100.0;
}

public void g_cvNapalmPopulationReduction(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_fNapalmPopulationReduction = convar.FloatValue;
}

public void g_cvLowRatio(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_iLowRatio = convar.IntValue;
}

public void g_cvMediumRatio(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_iMediumRatio = convar.IntValue;
}

public void g_cvHighRatio(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_iHighRatio = convar.IntValue;
}

public void g_cvLowStreak(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_iLowStreak = convar.IntValue;
}

public void g_cvMediumStreak(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_iMediumStreak = convar.IntValue;
}

public void g_cvHighStreak(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_iHighStreak = convar.IntValue;
}

public void g_cvKnockbackLowBoost(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_fKnockbackLowBoost = convar.FloatValue / 100.0;
}

public void g_cvKnockbackMediumBoost(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_fKnockbackMediumBoost = convar.FloatValue / 100.0;
}

public void g_cvKnockbackHighBoost(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_fKnockbackHighBoost = convar.FloatValue / 100.0;
}

public void g_cvNapalmLowReduction(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_fNapalmLowReduction = convar.FloatValue;
}

public void g_cvNapalmMediumReduction(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_fNapalmMediumReduction = convar.FloatValue;
}

public void g_cvNapalmHighReduction(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_fNapalmHighReduction = convar.FloatValue;
}

public void g_cvNapalmMidRoundReduction(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_fNapalmMidRoundReduction = convar.FloatValue;
}

public void g_cvKnockbackMidRoundBoost(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_fKnockbackMidRoundBoost = convar.FloatValue / 100.0;
}

public void g_cvMidRoundRatio(ConVar convar, const char[] oldValue, const char[] newValue)
{
	g_fMidRoundRatio = convar.FloatValue;
}

public void OnMapStart()
{
	g_iHumanScore = 1;
	g_iZombieScore = 0;
	g_iOldZombieScore = 0;
	g_iZombieStreak = 0;
}

public Action Command_AntiNoob(int client, int args)
{
	char cAdminNotification[128] = "{cyan}[AntiNoob]{white} Currently disabled.";

	if(!g_bAntiNoob)
	{
		CPrintToChat(client, "%s", cAdminNotification);
		return Plugin_Handled;
	}

	Format(cAdminNotification, sizeof(cAdminNotification), "{cyan}[AntiNoob]{white} Currently boosting knockback by {red}%d%%{white}.", RoundToNearest((g_fCurrentKnockbackBoost - 1.0) * 100.0));

	CPrintToChat(client, "%s", cAdminNotification);

	return Plugin_Handled;
}

public void OnPlayerTeam(Event event, const char[] name, bool dontBroadcast)
{
	RequestFrame(RequestFrame_Callback);
}

public void OnClientDisconnect(int client)
{
	RequestFrame(RequestFrame_Callback);
}

public void RequestFrame_Callback(int iPacked)
{
	CheckHumanZombieCount();
}

public void CheckHumanZombieCount()
{
	if(g_bMidRound)
		return;

	int iHumanCount;
	int iZombieCount;

	for(int i = 1; i <= MaxClients; i++)
	{
		if(!IsClientInGame(i) || IsFakeClient(i) || !IsPlayerAlive(i))
			continue;

		if(GetClientTeam(i) == CS_TEAM_CT)
			iHumanCount++;

		if(GetClientTeam(i) == CS_TEAM_T)
			iZombieCount++;
	}

	if(iHumanCount == 0 || iZombieCount == 0)
		return;

	if(float(iZombieCount) / float(iHumanCount) >= g_fMidRoundRatio)
	{
		g_bMidRound = true;
		g_fCurrentKnockbackBoost = g_fCurrentKnockbackBoost + g_fKnockbackMidRoundBoost;
		g_fCurrentNapalmDamage = g_fCurrentNapalmDamage - g_fNapalmMidRoundReduction;
		ServerCommand("zr_class_set_multiplier zombies knockback %f", g_fCurrentKnockbackBoost);
		ServerCommand("zr_napalm_time_scale %f", g_fCurrentNapalmDamage);

		char cAdminNotification[256];
		Format(cAdminNotification, sizeof(cAdminNotification), "{cyan}[AntiNoob]{white} Adding an additional {red}%d%%{white} mid round knockback boost because the Human:Zombie Ratio exceeded {red}1:%f{white}.", RoundToNearest(g_fKnockbackMidRoundBoost * 100.0), g_fMidRoundRatio);

		for(int i = 1; i <= MaxClients; i++)
		{
			if(IsAdmin(i))
				CPrintToChat(i,"%s", cAdminNotification);
		}
	}
}

public void OnRoundStart(Event hEvent, const char[] sEvent, bool bDontBroadcast)
{
	g_iHumanScore = GetTeamScore(CS_TEAM_CT);
	g_iZombieScore = GetTeamScore(CS_TEAM_T);

	g_bMidRound = false;

	if(g_iHumanScore == 0)
	{
		g_iHumanScore = 1;
	}

	if(g_iZombieScore != g_iOldZombieScore)
	{
		g_iZombieStreak++;
		g_iOldZombieScore++;
	}
	else
	{
		g_iZombieStreak = 0;
	}

	int iActivePlayers;

	for(int i = 1; i <= MaxClients; i++)
	{
		if(IsClientInGame(i) && !IsFakeClient(i) && GetClientTeam(i) >= CS_TEAM_T)
			iActivePlayers++;
	}

	char cAdminNotification[128] = "{cyan}[AntiNoob]{white} Currently disabled.";

	if(!g_bAntiNoob)
	{
		PerformReset();

		for(int i = 1; i <= MaxClients; i++)
		{
			if(IsAdmin(i))
				CPrintToChat(i,"%s", cAdminNotification);
		}

		return;
	}

	if(iActivePlayers <= g_iMaxPopulation)
		g_bLowPopulation = true;
	else
		g_bLowPopulation = false;

	if(g_iZombieScore / g_iHumanScore >= g_iHighRatio || g_iZombieStreak >= g_iHighStreak)
		PerformHighHelp();
	else if(g_iZombieScore / g_iHumanScore >= g_iMediumRatio || g_iZombieStreak >= g_iMediumStreak)
		PerformMediumHelp();
	else if(g_iZombieScore / g_iHumanScore >= g_iLowRatio || g_iZombieStreak >= g_iLowStreak)
		PerformLowHelp();
	else
		PerformReset();

	Format(cAdminNotification, sizeof(cAdminNotification), "{cyan}[AntiNoob]{white} Starting to boost this round by {red}%d%%{white} knockback increase.", RoundToNearest((g_fCurrentKnockbackBoost - 1.0) * 100.0));

	for(int i = 1; i <= MaxClients; i++)
	{
		if(IsAdmin(i))
			CPrintToChat(i,"%s", cAdminNotification);
	}
}

public void PerformHighHelp()
{
	if(g_bLowPopulation)
	{
		ServerCommand("zr_class_set_multiplier zombies knockback %f", 1.0 + g_fKnockbackHighBoost + g_fKnockbackPopulationBoost);
		ServerCommand("zr_napalm_time_scale %f", 50.0 - g_fNapalmHighReduction - g_fNapalmPopulationReduction);
		g_fCurrentKnockbackBoost = 1.0 + g_fKnockbackHighBoost + g_fKnockbackPopulationBoost;
		g_fCurrentNapalmDamage = 50.0 - g_fNapalmHighReduction - g_fNapalmPopulationReduction;
	}
	else
	{
		ServerCommand("zr_class_set_multiplier zombies knockback %f", 1.0 + g_fKnockbackHighBoost);
		ServerCommand("zr_napalm_time_scale %f", 50.0 - g_fNapalmHighReduction);
		g_fCurrentKnockbackBoost = 1.0 + g_fKnockbackHighBoost;
		g_fCurrentNapalmDamage = 50.0 - g_fNapalmHighReduction;
	}
}

public void PerformMediumHelp()
{
	if(g_bLowPopulation)
	{
		ServerCommand("zr_class_set_multiplier zombies knockback %f", 1.0 + g_fKnockbackMediumBoost + g_fKnockbackPopulationBoost);
		ServerCommand("zr_napalm_time_scale %f", 50.0 - g_fNapalmMediumReduction - g_fNapalmPopulationReduction);
		g_fCurrentKnockbackBoost = 1.0 + g_fKnockbackMediumBoost + g_fKnockbackPopulationBoost;
		g_fCurrentNapalmDamage = 50.0 - g_fNapalmMediumReduction - g_fNapalmPopulationReduction;
	}
	else
	{
		ServerCommand("zr_class_set_multiplier zombies knockback %f", 1.0 + g_fKnockbackMediumBoost);
		ServerCommand("zr_napalm_time_scale %f", 50.0 - g_fNapalmMediumReduction);
		g_fCurrentKnockbackBoost = 1.0 + g_fKnockbackMediumBoost;
		g_fCurrentNapalmDamage = 50.0 - g_fNapalmMediumReduction;
	}
}

public void PerformLowHelp()
{
	if(g_bLowPopulation)
	{
		ServerCommand("zr_class_set_multiplier zombies knockback %f", 1.0 + g_fKnockbackLowBoost + g_fKnockbackPopulationBoost);
		ServerCommand("zr_napalm_time_scale %f", 50.0 - g_fNapalmLowReduction - g_fNapalmPopulationReduction);
		g_fCurrentKnockbackBoost = 1.0 + g_fKnockbackLowBoost + g_fKnockbackPopulationBoost;
		g_fCurrentNapalmDamage = 50.0 - g_fNapalmLowReduction - g_fNapalmPopulationReduction;
	}
	else
	{
		ServerCommand("zr_class_set_multiplier zombies knockback %f", 1.0 + g_fKnockbackLowBoost);
		ServerCommand("zr_napalm_time_scale %f", 50.0 - g_fNapalmLowReduction);
		g_fCurrentKnockbackBoost = 1.0 + g_fKnockbackLowBoost;
		g_fCurrentNapalmDamage = 50.0 - g_fNapalmLowReduction;
	}
}

public void PerformReset()
{
	if(g_bLowPopulation && g_bAntiNoob)
	{
		ServerCommand("zr_class_set_multiplier zombies knockback %f", 1.0 + g_fKnockbackPopulationBoost);
		ServerCommand("zr_napalm_time_scale %f", 50.0 - g_fNapalmPopulationReduction);
		g_fCurrentKnockbackBoost = 1.0 + g_fKnockbackPopulationBoost;
		g_fCurrentNapalmDamage = 50.0 - g_fNapalmPopulationReduction;
	}
	else
	{
		ServerCommand("zr_class_set_multiplier zombies knockback 1.0");
		ServerCommand("zr_napalm_time_scale 50.0");
		g_fCurrentKnockbackBoost = 1.0;
		g_fCurrentNapalmDamage = 50.0;
	}
}

static stock bool IsAdmin(int client)
{
	if (client > 0 && client <= MaxClients && IsClientInGame(client) && CheckCommandAccess(client, "", ADMFLAG_GENERIC))
		return true;
	else
		return false;
}